Current Arctic ocean News and Events

Current Arctic ocean News and Events, Arctic ocean News Articles.
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Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution
Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution (2020-11-25)

Ice sheets on the move: how north and south poles connect
Over the past 40,000 years, ice sheets thousands of kilometres apart have influenced one another through sea level changes, according to research published today in Nature. New modelling of ice sheet changes during the most recent glacial cycle by a McGill-led team demonstrates, for the first time, that during this period, changes in the Antarctic ice sheet were driven by the melting ice sheets in the Northern Hemisphere. (2020-11-25)

WSU scientists discover new, simple way to classify marine biomes
Washington State University scientists have developed a new way to classify the ocean's diverse environments, shedding new light on how marine biomes are defined and changed by nature and humans. (2020-11-20)

A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El NiƱo events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study, published this week in the journal Science Advances by an international team, demonstrates that the opposite pathway exists as well. (2020-11-20)

Synthesis study demonstrates phytoplankton can bloom below Arctic sea ice
Researchers used historical scientific studies, along with contemporary observations employing autonomous floats and robotic vehicles, to demonstrate that phytoplankton blooms occur under Arctic Ocean sea ice. Previously, scientists had assumed that was impossible due to low-light conditions, particularly when ice cover was thicker before climate change. The synthesis of more than half a century of research on under-ice blooms suggests that modern computer models underestimate the contribution of microscopic algae to the Arctic carbon cycle. (2020-11-19)

Volcanic eruptions have more effect in summer
Modeling shows that volcanic eruptions can cause changes in global climate, if the timing is right. (2020-11-18)

Reducing aerosol pollution without cutting carbon dioxide could make the planet hotter
Humans must reduce carbon dioxide and aerosol pollution simultaneously to avoid weakening the ocean's ability to keep the planet cool, new UC Riverside research shows. (2020-11-17)

Study improves ability to predict how whales travel through their ocean habitat
Scientists at the New England Aquarium's Anderson Cabot Center for Ocean Life recently published a study that could help researchers learn where protections are needed the most for bowhead whales. (2020-11-17)

Large predatory fish thrive on WWII shipwrecks off North Carolina coast
Results of an expedition to a sunken U-boat and Nicaraguan freighter, published this week in Ecosphere, offer a detailed glimpse into unexpected ''islands of habitat.'' (2020-11-17)

Recent climate extremes have driven unprecedented changes in the deep ocean
New measurements reveal a surprising increase in the amount of dense water sinking near Antarctica, following 50 years of decline. (2020-11-16)

Paleontologists uncover three new species of extinct walruses in Orange County
Millions of years ago, in the warm Pacific Ocean off the coast of Southern California, walrus species without tusks lived abundantly. But in a new study, Cal State Fullerton paleontologists have identified three new walrus species discovered in Orange County and one of the new species has ''semi-tusks'' -- or longer teeth. (2020-11-16)

Love waves from the ocean floor
Supercomputer simulations of planetary-scale interactions show how ocean storms and the structure of Earth's upper layers together generate much of the world's seismic waves. Decoding the faint but ubiquitous vibrations known as Love waves could yield insights about Earth's storm history, changing climate and interior. (2020-11-13)

Climate change: Ending greenhouse gas emissions may not stop global warming
Even if human-induced greenhouse gas emissions can be reduced to zero, global temperatures may continue to rise for centuries afterwards, according to a simulation of the global climate between 1850 and 2500 published in Scientific Reports. (2020-11-12)

Late-season Arctic research cruise reveals warm ocean temperatures, active ecosystem
Arctic researchers have been visiting the Bering and Chukchi seas off Alaska for nearly 30 years, collecting information about the biological diversity of the watery world under the sea ice. This year, a late-season research cruise revealed a surprise. At a time of year when an ice-breaking ship is usually required to get to some of the data-gathering outposts, scientists found nothing but open water and an unusually active ecosystem. (2020-11-11)

Atmospheric rivers help create massive holes in Antarctic sea ice
Warm, moist rivers of air in Antarctica play a key role in creating massive holes in sea ice in the Weddell Sea and may influence ocean conditions around the vast continent as well as climate change, according to Rutgers co-authored research. (2020-11-11)

COVID-delayed Arctic research cruise yields late-season data
Researchers studying the Bering and Chukchi seas for three weeks in October found no ice and a surprisingly active ecosystem as they added another year's data to a key climate change record. The research vessel Norseman II carried scientists from the University of Alaska Fairbanks, the University of Maryland Center for Environmental Science and Clark University. (2020-11-11)

Researchers model source of eruption on Jupiter's moon Europa
A new model shows how brine on Jupiter's moon Europa can migrate within the icy shell to form pockets of salty water that erupt to the surface when freezing. The findings, which are important for the upcoming Europa Clipper mission, may explain cryovolcanic eruptions across icy bodies in the solar system. (2020-11-10)

Cutting emissions makes North Atlantic focus of ocean heat uptake under global warming
Scientists discover an obvious hemispheric asymmetry in Ocean Heat Undertake (OHU) under the low-emission scenario. In the long term, North Atlantic OHU keeps increasing and will become the main region of OHU. (2020-11-09)

Plastics and rising CO2 levels could pose combined threat to marine environment
An international team of scientists found that after three weeks of being submerged in the ocean, the bacterial diversity on plastic bottles was twice as great as on samples collected from the surrounding seawater (2020-11-06)

Paleogenomics -- the prehistory of modern dogs
An international team of scientists has used ancient DNA samples to elucidate the population history of dogs. The results show that dogs had already diverged into at least five distinct lineages by about 11,000 years ago and that their early population history only partially reflects that of human groups. (2020-11-06)

UM research essential to global arctic animal migration archive
Now, scientists can track the movements of thousands of Arctic and sub-Arctic animals over three decades with the new global Arctic Animal Movement Archive. (2020-11-06)

Rivers melt Arctic ice, warming air and ocean
A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere. (2020-11-06)

Study projects more rainfall in Florida during flooding season
A new study by researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science projects an increase in Florida's late summertime rainfall with rising Atlantic Ocean temperatures. (2020-11-06)

The first duckbill dinosaur fossil from Africa hints at how dinosaurs once crossed oceans
The first fossils of a duckbilled dinosaur have been discovered in Africa, suggesting dinosaurs crossed hundreds of kilometres of open water to get there. (2020-11-05)

Global-scale animal ecology reveals behavioral changes in response to climate change
An international team including University of Maryland biologists developed a data archive of animal movement studies from across the global Arctic and sub-Arctic and conducted three case studies that revealed surprising patterns and associations between climate change and the behavior of golden eagles, bears, caribou, moose and wolves. This work, which appears in the November 6, 2020, issue of the journal Science demonstrates both the feasibility and importance of global-scale animal ecology. (2020-11-05)

Ecological "big-data" reveals insights into a changing arctic
The Arctic Animal Movement Archive (AAMA) - a new ecological dataset, which combines three decades of animal tracking studies from across the Arctic - provides a powerful new ecological tool to understand the rapidly changing region better. (2020-11-05)

New database shows Arctic animals' changing behavior in face of climate change
Three decades of data on animal migration and movements in the Arctic, tracked through a massive database developed by environmental engineers, shows that animals in one of Earth's coldest regions are shifting their behaviors because of climate change. (2020-11-05)

Archive of animal migration in the Arctic
A global archive with movement data collected across three decades logs changes in the behaviour of Arctic animals (2020-11-05)

DNA in seawater can reveal fish diversity in the deep ocean
A new study demonstrates the effectiveness of a novel method for using DNA in seawater samples to determine which fish species are present in a given part of the deep sea. A team of scientists from eDNAtec Inc. and colleagues from Fisheries and Oceans Canada and Memorial University present these findings in the open-access journal PLOS ONE on November 4. (2020-11-04)

Ninety years of data shows global warming impacts on foundation of marine ecosystems
Phytoplankton are microscopic plants that underpin ocean productivity and provide 50% of the world's oxygen via photosynthesis. An investigation of a 90 year data set from a coastal station offshore from Sydney provides a unique opportunity to better predict the impact of global warming on future ocean phytoplankton communities, on biodiversity and ultimately fisheries production. (2020-11-01)

To survive asteroid impact, algae learned to hunt
Tiny, seemingly harmless ocean plants survived the darkness of the asteroid strike that killed the dinosaurs by learning a ghoulish behavior -- eating other living creatures. (2020-10-30)

Seesaw of Indo-Pacific summer monsoons triggered by the tropical Atlantic Ocean
The increasing influences from the tropical Atlantic sea surface temperature could trigger the observed multidecadal seesaw of Indo-Pacific summer monsoons in terms of their intensity of interannual variability and monsoon-ENSO biennial relationship variability. (2020-10-29)

The future is now: long-term research shows ocean acidification ramping up on the Reef
A new study has shown ocean acidification is no longer a sombre forecast for the Great Barrier Reef but a present-day reality. The study shows seawater carbon dioxide on the Reef has risen 6 per cent in ten years, matching the rate of carbon dioxide increases in the atmosphere. (2020-10-28)

Fish banks
Society will require more food in the coming years to feed a growing population, and seafood will likely make up a significant portion of it. At the same time, we need to conserve natural habitats to ensure the health of our oceans. It seems like a conflict is inevitable. (2020-10-28)

Leaving more big fish in the sea reduces CO2 emissions
Leaving more big fish--like tuna, sharks, mackerel and swordfish--in the sea reduces the amount of carbon dioxide (CO2) released into the Earth's atmosphere.This is because when a fish dies in the ocean it sinks to the depths and sequestrates all the carbon it contains with it. This is a form of 'blue carbon'. Big fish are about 10 to 15 percent carbon. (2020-10-28)

Back to the future of climate
Hot and humid: Using minerals from ancient soils, ETH researchers are reconstructing the climate that prevailed on Earth some 55 million years ago. Their findings will help them to better assess how our climate might look in the future. (2020-10-27)

Cauliflower coral genome sequenced
A newly sequenced coral genome offers tools to understand environmental adaptation. (2020-10-27)

Ice loss due to warming leads to warming due to ice loss: a vicious circle
The loss of huge ice masses can contribute to the warming that is causing this loss and further risks. A new study now quantifies this feedback by exploring long-term if-then-scenarios. (2020-10-27)

Coastal Greenland reshaped as Greenland ice sheet mass loss accelerates
Ice loss from the Greenland Ice Sheet has accelerated significantly over the past two decades, transforming the shape of the ice sheet edge and therefore coastal Greenland. (2020-10-27)

The uncertain future of the oceans
Marine food webs and biogeochemical cycles react very sensitively to the increase in carbon dioxide (CO2) - but the effects are far more complex than previously thought. This is shown in a study published by a team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel in the journal Nature Climate Change. Data were combined from five large-scale field experiments, which investigated how the carbon cycle within plankton communities reacts to the increase of CO2. (2020-10-26)

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